protected override void OnMouseCaptureChanged(EventArgs e) {
base.OnMouseCaptureChanged(e);
if (splitContainerMessageFilter != null)
{
Application.RemoveMessageFilter(splitContainerMessageFilter);
splitContainerMessageFilter = null;
}
}
/// <include file='doc\SplitContainer.uex' path='docs/doc[@for="SplitContainer.SplitEnd"]/*' />
/// <devdoc>
/// Finishes the split movement.
/// </devdoc>
/// <internalonly/>
private void SplitEnd(bool accept) {
DrawSplitBar(DRAW_END);
if (splitContainerMessageFilter != null)
{
Application.RemoveMessageFilter(splitContainerMessageFilter);
splitContainerMessageFilter = null;
}
if (accept) {
ApplySplitterDistance();
}
else if (splitterDistance != initialSplitterDistance) {
splitterClick = false;
splitterDistance = SplitterDistanceInternal = initialSplitterDistance;
}
anchor = Point.Empty;
}
private void SplitEnd(bool accept)
{
this.DrawSplitBar(3);
if (this.splitContainerMessageFilter != null)
{
Application.RemoveMessageFilter(this.splitContainerMessageFilter);
this.splitContainerMessageFilter = null;
}
if (accept)
{
this.ApplySplitterDistance();
}
else if (this.splitterDistance != this.initialSplitterDistance)
{
this.splitterClick = false;
this.splitterDistance = this.SplitterDistanceInternal = this.initialSplitterDistance;
}
this.anchor = Point.Empty;
}
/// <include file='doc\SplitContainer.uex' path='docs/doc[@for="SplitContainer.SplitBegin"]/*' />
/// <devdoc>
/// Begins the splitter moving.
/// </devdoc>
/// <internalonly/>
private void SplitBegin(int x, int y) {
anchor = new Point(x, y);
splitterDistance = GetSplitterDistance(x, y);
initialSplitterDistance = splitterDistance;
initialSplitterRectangle = SplitterRectangle;
// SECREVIEW : We need a message filter to capture the ESC key
// to cancel the split action.
// The method PreFilterMessage is adorned with a LinkDemand.
// But this is not enough since this is a public unsealed class.
// We should have private implementation of the IMessageFilter
// So that we dont expose this to the classed deriving from this public class
// Refer to VsWhidbey : 423553 for more information.
IntSecurity.UnmanagedCode.Assert();
try {
if (splitContainerMessageFilter == null)
{
splitContainerMessageFilter = new SplitContainerMessageFilter(this);
}
Application.AddMessageFilter(splitContainerMessageFilter);
}
finally {
CodeAccessPermission.RevertAssert();
}
CaptureInternal = true;
DrawSplitBar(DRAW_START);
}
private void SplitBegin(int x, int y)
{
this.anchor = new Point(x, y);
this.splitterDistance = this.GetSplitterDistance(x, y);
this.initialSplitterDistance = this.splitterDistance;
this.initialSplitterRectangle = this.SplitterRectangle;
System.Windows.Forms.IntSecurity.UnmanagedCode.Assert();
try
{
if (this.splitContainerMessageFilter == null)
{
this.splitContainerMessageFilter = new SplitContainerMessageFilter(this);
}
Application.AddMessageFilter(this.splitContainerMessageFilter);
}
finally
{
CodeAccessPermission.RevertAssert();
}
base.CaptureInternal = true;
this.DrawSplitBar(1);
}
