本文整理匯總了C#中System.IntPtr.DefSubclassProc方法的典型用法代碼示例。如果您正苦於以下問題：C# IntPtr.DefSubclassProc方法的具體用法？C# IntPtr.DefSubclassProc怎麽用？C# IntPtr.DefSubclassProc使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類System.IntPtr的用法示例。
在下文中一共展示了IntPtr.DefSubclassProc方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的C#代碼示例。
示例1: switch
private int OpenFileSubClass
(
IntPtr hWnd,
uint uMsg,
IntPtr wParam,
IntPtr lParam,
IntPtr uIdSubclass,
uint dwRefData
)
{
switch (uMsg)
{
case InteropUtil.WM_PARENTNOTIFY:
{
unchecked
{
var id = lParam.GetDlgCtrlID();
if (LOW((uint)wParam) == InteropUtil.WM_CREATE && (id == InteropUtil.ID_FileList || id == 0))
{
lParam.SetWindowSubclass(m_defViewSubClassDelegate, 0, 0);
}
}
break;
}
}
return hWnd.DefSubclassProc(uMsg, wParam, lParam);
}示例2: typeof
private int DefViewSubClass
(
IntPtr hWnd,
uint uMsg,
IntPtr wParam,
IntPtr lParam,
IntPtr uIdSubclass,
uint dwRefData
)
{
if (uMsg == InteropUtil.WM_NOTIFY)
{
var header = (InteropUtil.NMHDR)Marshal.PtrToStructure(lParam, typeof(InteropUtil.NMHDR));
if (header.code == InteropUtil.LVN_ITEMCHANGED && header.hwndFrom != IntPtr.Zero && header.idFrom == 1)
{
var nmListView = (InteropUtil.NMLISTVIEW)Marshal.PtrToStructure(lParam, typeof(InteropUtil.NMLISTVIEW));
var oldSelected = (nmListView.uOldState & InteropUtil.LVIS_SELECTED) != 0;
var newSelected = (nmListView.uNewState & InteropUtil.LVIS_SELECTED) != 0;
if (!oldSelected && newSelected)
{
if (!m_suppressSelectionChange)
{
//the item went from not selected to being selected
//so we want to look and see if the selected item is a folder, and if so
//change the text of the item box to be the item on the folder. But, before we do that
//we want to make sure that the box isn't currently focused.
var hParent = hWnd.GetParent();
var hFNCombo = hParent.GetDlgItem(InteropUtil.ID_FileNameCombo);
var hFNEditBox = hParent.GetDlgItem(InteropUtil.ID_FileNameTextBox);
var hFocus = InteropUtil.GetFocus();
if
(
(hFNCombo == IntPtr.Zero || hFNCombo != hFocus) &&
(hFNEditBox == IntPtr.Zero || hFNEditBox != hFocus)
)
{
SetFileNameToSelectedItem(header.hwndFrom, hFNCombo, nmListView.iItem);
}
}
m_suppressSelectionChange = false;
}
}
}
return hWnd.DefSubclassProc(uMsg, wParam, lParam);
}