/// <summary>
/// 将窗体显示为具有指定所有者的模式对话框。
/// </summary>
/// <param name="owner">任何实现 <see cref="T:System.Windows.Forms.IWin32Window" />（表示将拥有模式对话框的顶级窗口）的对象。</param>
/// <returns><see cref="T:System.Windows.Forms.DialogResult" /> 值之一。</returns>
/// <PermissionSet>
/// <IPermission class="System.Security.Permissions.EnvironmentPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
/// <IPermission class="System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
/// <IPermission class="System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Flags="UnmanagedCode, ControlEvidence" />
/// <IPermission class="System.Security.Permissions.UIPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
/// <IPermission class="System.Diagnostics.PerformanceCounterPermission, System, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
/// </PermissionSet>
public new DialogResult ShowDialog(IWin32Window owner)
{
try
{
if (this._isShowMaskDialog && owner != null)
{
var frmOwner = (Control)owner;
FrmTransparent _frmTransparent = new FrmTransparent();
_frmTransparent.Width = frmOwner.Width;
_frmTransparent.Height = frmOwner.Height;
Point location = frmOwner.PointToScreen(new Point(0, 0));
_frmTransparent.Location = location;
_frmTransparent.frmchild = this;
_frmTransparent.IsShowMaskDialog = false;
return(_frmTransparent.ShowDialog(owner));
}
else
{
return(base.ShowDialog(owner));
}
}
catch (NullReferenceException)
{
return(System.Windows.Forms.DialogResult.None);
}
}
protected override void WndProc(ref Message m)
{
if (m.Msg == 33)
{
m.Result = new IntPtr(3);
}
else
{
if (m.Msg == 134)
{
if (((int)m.WParam & 65535) != 0)
{
if (m.LParam != IntPtr.Zero)
{
FrmTransparent.SetActiveWindow(m.LParam);
}
else
{
FrmTransparent.SetActiveWindow(IntPtr.Zero);
}
}
}
else if (m.Msg == 2000)
{
}
base.WndProc(ref m);
}
}