/// <summary> Overridden window message processing. </summary>
protected override void WndProc(ref Message Msg)
{
if (Msg.Msg == Win32.WM_MOUSEMOVE)
{
int PosX = Win32.GET_X_LPARAM(( uint )Msg.LParam);
int PosY = Win32.GET_Y_LPARAM(( uint )Msg.LParam);
int ColumnStart = 0;
int ColumnEnd = 0;
CurrentColumnIndex = -1;
// Find on which column we should show the tooltip.
for (int ColumnIndex = 0; ColumnIndex < Parent.Columns.Count; ColumnIndex++)
{
int ColumnWidth = Parent.Columns[ColumnIndex].Width;
ColumnEnd = ColumnStart + ColumnWidth;
if (PosX >= ColumnStart && PosX < ColumnEnd)
{
CurrentColumnIndex = ColumnIndex;
break;
}
ColumnStart = ColumnEnd;
}
if (CurrentColumnIndex == -1)
{
HeaderToolTip.Hide(Parent);
}
else if (CurrentColumnIndex != LastColumnIndex)
{
Win32.TRACKMOUSEEVENT trackMouseEvent = new Win32.TRACKMOUSEEVENT(Win32.ETrackMouseEvent.TME_HOVER, Handle, Win32.HOVER_DEFAULT);
Win32.TrackMouseEvent(ref trackMouseEvent);
HeaderToolTip.Hide(Parent);
}
LastColumnIndex = CurrentColumnIndex;
}
else if (Msg.Msg == Win32.WM_MOUSELEAVE)
{
HeaderToolTip.Hide(Parent);
LastColumnIndex = -1;
}
else if (Msg.Msg == Win32.WM_MOUSEHOVER)
{
if (bAllowTooltips && CurrentColumnIndex != -1)
{
int PosX = Win32.GET_X_LPARAM(( uint )Msg.LParam);
int PosY = Win32.GET_Y_LPARAM(( uint )Msg.LParam);
// Show tooltip.
HeaderToolTip.Show(Parent.ColumnsTooltips[CurrentColumnIndex], Parent, PosX, PosY + 32);
}
}
// Default processing.
base.WndProc(ref Msg);
}
/// <summary> Overridden window message processing. </summary>
protected override void WndProc( ref Message Msg )
{
if( Msg.Msg == Win32.WM_MOUSEMOVE )
{
int PosX = Win32.GET_X_LPARAM( ( uint )Msg.LParam );
int PosY = Win32.GET_Y_LPARAM( ( uint )Msg.LParam );
int ColumnStart = 0;
int ColumnEnd = 0;
CurrentColumnIndex = -1;
// Find on which column we should show the tooltip.
for( int ColumnIndex = 0; ColumnIndex < Parent.Columns.Count; ColumnIndex++ )
{
int ColumnWidth = Parent.Columns[ ColumnIndex ].Width;
ColumnEnd = ColumnStart + ColumnWidth;
if( PosX >= ColumnStart && PosX < ColumnEnd )
{
CurrentColumnIndex = ColumnIndex;
break;
}
ColumnStart = ColumnEnd;
}
if( CurrentColumnIndex == -1 )
{
HeaderToolTip.Hide( Parent );
}
else if( CurrentColumnIndex != LastColumnIndex )
{
Win32.TRACKMOUSEEVENT trackMouseEvent = new Win32.TRACKMOUSEEVENT( Win32.ETrackMouseEvent.TME_HOVER, Handle, Win32.HOVER_DEFAULT );
Win32.TrackMouseEvent( ref trackMouseEvent );
HeaderToolTip.Hide( Parent );
}
LastColumnIndex = CurrentColumnIndex;
}
else if( Msg.Msg == Win32.WM_MOUSELEAVE )
{
HeaderToolTip.Hide( Parent );
LastColumnIndex = -1;
}
else if( Msg.Msg == Win32.WM_MOUSEHOVER )
{
if( bAllowTooltips && CurrentColumnIndex != -1 )
{
int PosX = Win32.GET_X_LPARAM( ( uint )Msg.LParam );
int PosY = Win32.GET_Y_LPARAM( ( uint )Msg.LParam );
// Show tooltip.
HeaderToolTip.Show( Parent.ColumnsTooltips[ CurrentColumnIndex ], Parent, PosX, PosY + 32 );
}
}
// Default processing.
base.WndProc( ref Msg );
}
