[英]DateTimePicker selection only with DropDown
I want to use DateTimePicker in my Form, but I need user to select date only w/ DropDown and I'm trying to disable picking in DateTimePicker itself (eg by pressing KeyUp/Down). 我想在表单中使用DateTimePicker,但我需要用户仅选择带DropDown的日期,并且我试图禁用DateTimePicker本身的选择(例如,通过按KeyUp / Down)。
//this.dtp_datum_pracVykaz.ValueChanged += new System.EventHandler(this.dtp_datum_pracVykaz_ValueChanged);
this.dtp_datum_pracVykaz.DropDown += dtp_datum_pracVykaz_DropDown;
this.dtp_datum_pracVykaz.CloseUp += dtp_datum_pracVykaz_CloseUp;
Where 哪里
void dtp_datum_pracVykaz_DropDown(object sender, System.EventArgs e)
{
this.dtp_datum_pracVykaz.ValueChanged += new System.EventHandler(this.dtp_datum_pracVykaz_ValueChanged);
}
void dtp_datum_pracVykaz_CloseUp(object sender, System.EventArgs e)
{
this.dtp_datum_pracVykaz.ValueChanged -= new System.EventHandler(this.dtp_datum_pracVykaz_ValueChanged);
}
The problem is that DTP is enabled, so user can change date without DropDown (but it won't have effect). 问题是启用了DTP,因此用户可以更改日期而没有DropDown(但不会生效)。 I want something like DTP.Enabled = False; 我想要类似DTP.Enabled = False; but icon for DropDown must be enabled. 但是必须启用DropDown的图标。
Use the keydown event - 使用keydown事件-
private void dateTimePicker1_KeyDown(object sender, KeyEventArgs e)
{
e.SuppressKeyPress = true;
}
This way any key pressed by the user will be ignored effectively disabling user keyboard input. 这样,将忽略用户按下的任何键,从而有效禁用用户键盘输入。
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