Windows :: Forms :: Control正确绘制在（0,0）

Question

控件的容器位置将被忽略，并且控件在窗体上的（0,0）处绘制。

容器是一个位置设置为（26,26）的面板

据我所知，唯一的区别是，它发生在控件的包含面板不可见并且随后变为可见时。

如果在面板可见时执行相同的代码，则它可以正常工作。

我发现这两种情况之间的跟踪没有区别。

是否有人对我如何避免使用此“ 功能 ”有任何想法？

Resize :: Layout只是一个包装，用于根据类型调用相关函数：

void Resize::Layout(System::Windows::Forms::Control^ Ctrl)
{
  SMSG(String::Format("Resize::Layout {0} ({1}) {2}{3}",
    Ctrl->Name, Ctrl->GetType()->ToString(), Ctrl->Location.ToString(),
    Ctrl->ClientRectangle.Size.ToString()),true);
  // resize the Resize... controls
  if (Ctrl->GetType()->ToString() == "Custom.ResizeLabel")
  {
    safe_cast<Custom::ResizeLabel^>(Ctrl)->Layout();
  }
  else if (Ctrl->GetType()->ToString() == "Custom.ResizePanel")
  {
    safe_cast<Custom::ResizePanel^>(Ctrl)->Layout(Ctrl, true);
  }
  else if(Ctrl->GetType()->ToString() == "Custom.ResizeTabControl")
  {
    safe_cast<Custom::ResizeTabControl^>(Ctrl)->Layout(Ctrl, true);
  }
  else LayoutCtrl(Ctrl);
  SMSG(String::Format("Resize::Layout {0} ({1}) {2}{3}", Ctrl->Name,
    Ctrl->GetType()->ToString(), Ctrl->Location.ToString(),
    Ctrl->ClientRectangle.Size.ToString()),false);
}

这是我对失败案例的跟踪：Location和ClientSize是所跟踪的值。 OnPaint事件中的ClipRectangle是不同的。

UnderneathButton和OnTopButton包含在HomeButtonsPanel中。

HomeButtonsPanel包含在HomePanel中。

HomePanel包含在HomePanelBorder中。

HomePanelBorder包含在HomeTab中。

HomeTab包含在FormTabs中。

FormTabs包含在FormTabsPanel中。

FormTabsPanel包含在FormPanel中。

FormPanel包含在Form1中。

Resize::Layout HomeButtonsPanel (System.Windows.Forms.Panel) {X=66,Y=68}{Width=75,Height=52}
Resize::Layout UnderneathButton (System.Windows.Forms.Button) {X=0,Y=29}{Width=75,Height=23}
Resize::Layout UnderneathButton (System.Windows.Forms.Button) {X=0,Y=29}{Width=75,Height=23}
Resize::Layout OnTopButton (System.Windows.Forms.Button) {X=0,Y=3}{Width=75,Height=23}
Resize::Layout OnTopButton (System.Windows.Forms.Button) {X=0,Y=3}{Width=75,Height=23}
Resize::Layout HomeButtonsPanel (System.Windows.Forms.Panel) {X=66,Y=68}{Width=75,Height=52}
HomePanel::Layout Height set - {X=0,Y=0}{Width=253,Height=125}
Resize::Layout HomePanel (Custom.ResizePanel) {X=0,Y=0}{Width=253,Height=125}
HomePanelBorder::Layout Height set - {X=0,Y=0}{Width=253,Height=125}
Resize::Layout HomePanelBorder (Custom.ResizePanel) {X=0,Y=0}{Width=253,Height=125}
Resize::Layout HomeTab (System.Windows.Forms.TabPage) {X=4,Y=25}{Width=255,Height=127}
FormTabs::Layout Height set - {X=0,Y=0}{Width=263,Height=156}
Resize::Layout FormTabs (Custom.ResizeTabControl) {X=0,Y=0}{Width=263,Height=156}
FormTabsPanel::Layout Height set - {X=26,Y=26}{Width=263,Height=156}
Resize::Layout FormTabsPanel (Custom.ResizePanel) {X=26,Y=26}{Width=263,Height=156}
FormPanel::Layout Height set - {X=0,Y=0}{Width=315,Height=182}
*** FormPanel - OnSizeChanged:{X=0,Y=0}{Width=315,Height=182}
Resize::Layout FormPanel (Custom.ResizePanel) {X=0,Y=0}{Width=315,Height=182}
Resize::Layout Form1 (EasyButtons.Form1) {X=24,Y=0}{Width=315, Height=208}
*** FormPanel - OnPaint:{X=0,Y=0}{Width=315,Height=182} Clip - {X=26,Y=0,Width=289,Height=182}

这是我对成功案例的追踪！

Resize::Layout HomeButtonsPanel (System.Windows.Forms.Panel) {X=66,Y=68}{Width=75,Height=52}
Resize::Layout UnderneathButton (System.Windows.Forms.Button) {X=0,Y=29}{Width=75,Height=23}
Resize::Layout UnderneathButton (System.Windows.Forms.Button) {X=0,Y=29}{Width=75,Height=23}
Resize::Layout OnTopButton (System.Windows.Forms.Button) {X=0,Y=3}{Width=75,Height=23}
Resize::Layout OnTopButton (System.Windows.Forms.Button) {X=0,Y=3}{Width=75,Height=23}
Resize::Layout HomeButtonsPanel (System.Windows.Forms.Panel) {X=66,Y=68}{Width=75,Height=52}
HomePanel::Layout Height set - {X=0,Y=0}{Width=253, Height=125}
Resize::Layout HomePanel (Custom.ResizePanel) {X=0,Y=0}{Width=253,Height=125}
HomePanelBorder::Layout Height set - {X=0,Y=0}{Width=253,Height=125}
Resize::Layout HomePanelBorder (Custom.ResizePanel) {X=0,Y=0}{Width=253,Height=125}
Resize::Layout HomeTab (System.Windows.Forms.TabPage) {X=4,Y=25}{Width=255,Height=127}
FormTabs::Layout Height set - {X=0,Y=0}{Width=263,Height=156}
Resize::Layout FormTabs (Custom.ResizeTabControl) {X=0,Y=0}{Width=263,Height=156}
FormTabsPanel::Layout Height set - {X=26,Y=26}{Width=263,Height=156}
Resize::Layout FormTabsPanel (Custom.ResizePanel) {X=26,Y=26}{Width=263,Height=156}
FormPanel::Layout Height set - {X=0,Y=0}{Width=315,Height=182}
*** FormPanel - OnSizeChanged:{X=0,Y=0}{Width=315,Height=182}
Resize::Layout FormPanel (Custom.ResizePanel) {X=0,Y=0}{Width=315,Height=182}
Resize::Layout Form1 (EasyButtons.Form1) {X=24,Y=0}{Width=315,Height=208}
*** FormPanel - OnPaint:{X=0,Y=0}{Width=315, Height=182} Clip - {X=0,Y=26,Width=315,Height=156}