[英]C# - Why is my form minimizing when playing 2 sounds?
我有一個問題:我有一個在加載時播放音樂的主窗體:我制作了一個 function,它在按下按鈕時播放聲音:下一個窗體被最小化並且它們的內容也被最小化(從 config.cs 到每個窗體),它應該是全屏的,我想在播放聲音時保持全屏而不是最小化。
代碼:
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Media;
using System.IO;
using System.Runtime.InteropServices;
namespace Poker
{
public partial class Main : Form
{
[DllImport("wmp.dll")]
static extern Int32 mciSendString(string command, StringBuilder buffer, int bufferSize, IntPtr hwndCallback);
//LoadForm lform = new LoadForm();
Config config = new Config();
Settings settings = new Settings();
public Main()
{
InitializeComponent();
}
public void Main_Load(object sender, EventArgs e)
{
FormBorderStyle = FormBorderStyle.None;
WindowState = FormWindowState.Maximized;
new System.Threading.Thread(() =>
{
try
{
player1.PlayLooping();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message,
"Impossible de jouer le morceau.",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
}).Start();
}
private void btnJouer_Click_1(object sender, EventArgs e)
{
btnClick();
this.Hide();
config.Show();
}
聲音 function:
void btnClick()
{
new System.Threading.Thread(() =>
{
try
{
var _bt = new System.Windows.Media.MediaPlayer();
_bt.Open(new System.Uri(Environment.CurrentDirectory + "\\sfx\\button.wav"));
_bt.Play();
}
catch(Exception xe)
{
MessageBox.Show(xe.Message,
"Impossible de jouer ce son.",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
}).Start();
}
主窗體代碼:
namespace Poker
{
partial class Main
{
/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.IContainer components = null;
/// <summary>
/// Clean up any resources being used.
/// </summary>
/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(Main));
this.titre = new System.Windows.Forms.TableLayoutPanel();
this.label1 = new System.Windows.Forms.Label();
this.btnQuitter = new System.Windows.Forms.Button();
this.btnJouer = new System.Windows.Forms.Button();
this.btnPara = new System.Windows.Forms.Button();
this.titre.SuspendLayout();
this.SuspendLayout();
//
// titre
//
this.titre.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.titre.AutoSize = true;
this.titre.BackColor = System.Drawing.Color.Transparent;
this.titre.ColumnCount = 1;
this.titre.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 50F));
this.titre.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 50F));
this.titre.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Absolute, 20F));
this.titre.Controls.Add(this.label1, 0, 0);
this.titre.Location = new System.Drawing.Point(0, 0);
this.titre.Name = "titre";
this.titre.RowCount = 1;
this.titre.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 50F));
this.titre.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 50F));
this.titre.Size = new System.Drawing.Size(1920, 300);
this.titre.TabIndex = 0;
//
// label1
//
this.label1.AutoSize = true;
this.label1.Font = new System.Drawing.Font("Segoe UI Semibold", 36F, ((System.Drawing.FontStyle)((System.Drawing.FontStyle.Bold | System.Drawing.FontStyle.Underline))), System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.label1.ForeColor = System.Drawing.Color.White;
this.label1.Location = new System.Drawing.Point(3, 0);
this.label1.MinimumSize = new System.Drawing.Size(100, 100);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(225, 100);
this.label1.TabIndex = 0;
this.label1.Text = "Poker";
this.label1.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
//
// btnQuitter
//
this.btnQuitter.BackColor = System.Drawing.Color.Transparent;
this.btnQuitter.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
this.btnQuitter.Font = new System.Drawing.Font("Segoe UI", 16F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.btnQuitter.ForeColor = System.Drawing.Color.White;
this.btnQuitter.Location = new System.Drawing.Point(258, 754);
this.btnQuitter.Name = "btnQuitter";
this.btnQuitter.Size = new System.Drawing.Size(1361, 95);
this.btnQuitter.TabIndex = 3;
this.btnQuitter.Text = "Quitter";
this.btnQuitter.UseVisualStyleBackColor = false;
this.btnQuitter.Click += new System.EventHandler(this.btnQuitter_Click);
//
// btnJouer
//
this.btnJouer.BackColor = System.Drawing.Color.Transparent;
this.btnJouer.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
this.btnJouer.Font = new System.Drawing.Font("Segoe UI", 16F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.btnJouer.ForeColor = System.Drawing.Color.White;
this.btnJouer.Location = new System.Drawing.Point(258, 489);
this.btnJouer.Name = "btnJouer";
this.btnJouer.Size = new System.Drawing.Size(1361, 95);
this.btnJouer.TabIndex = 4;
this.btnJouer.Text = "Jouer";
this.btnJouer.UseVisualStyleBackColor = false;
this.btnJouer.Click += new System.EventHandler(this.btnJouer_Click_1);
//
// btnPara
//
this.btnPara.BackColor = System.Drawing.Color.Transparent;
this.btnPara.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
this.btnPara.Font = new System.Drawing.Font("Segoe UI", 16F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.btnPara.ForeColor = System.Drawing.Color.White;
this.btnPara.Location = new System.Drawing.Point(258, 621);
this.btnPara.Name = "btnPara";
this.btnPara.Size = new System.Drawing.Size(1361, 95);
this.btnPara.TabIndex = 5;
this.btnPara.Text = "Paramètres";
this.btnPara.UseVisualStyleBackColor = false;
this.btnPara.Click += new System.EventHandler(this.btnPara_Click);
//
// Main
//
this.AutoScaleDimensions = new System.Drawing.SizeF(9F, 20F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("$this.BackgroundImage")));
this.BackgroundImageLayout = System.Windows.Forms.ImageLayout.Stretch;
this.ClientSize = new System.Drawing.Size(1920, 1046);
this.Controls.Add(this.btnPara);
this.Controls.Add(this.btnJouer);
this.Controls.Add(this.btnQuitter);
this.Controls.Add(this.titre);
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
this.Name = "Main";
this.Text = "Poker";
this.Load += new System.EventHandler(this.Main_Load);
this.titre.ResumeLayout(false);
this.titre.PerformLayout();
this.ResumeLayout(false);
this.PerformLayout();
}
#endregion
private System.Windows.Forms.TableLayoutPanel titre;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Button btnQuitter;
private System.Windows.Forms.Button btnJouer;
private System.Windows.Forms.Button btnPara;
}
}
目標形式:(config.cs)
namespace Poker
{
partial class Config
{
/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.IContainer components = null;
/// <summary>
/// Clean up any resources being used.
/// </summary>
/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.button1 = new System.Windows.Forms.Button();
this.SuspendLayout();
//
// button1
//
this.button1.Location = new System.Drawing.Point(525, 270);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(113, 65);
this.button1.TabIndex = 0;
this.button1.Text = "button1";
this.button1.UseVisualStyleBackColor = true;
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// Config
//
this.AutoScaleDimensions = new System.Drawing.SizeF(9F, 20F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(800, 450);
this.Controls.Add(this.button1);
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None;
this.Name = "Config";
this.Text = "Configuration";
this.Load += new System.EventHandler(this.Config_Load);
this.ResumeLayout(false);
}
#endregion
private System.Windows.Forms.Button button1;
}
}
問題是您創建了一個新線程,並且 Program 進程切換到第二個線程。
解決方法:創建一個MediaPlayer的object,需要時切換歌曲。 或者:創建兩個獨立的 MediaPlayer,並在需要時暫停一個。
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