public static unsafe void SetMask(IntPtr ptr, LVGF mask, bool value)
{
if (value)
{
void* voidPtr1 = (void*) ptr;
voidPtr1->mask |= mask;
}
else
{
void* voidPtr2 = (void*) ptr;
voidPtr2->mask &= ~mask;
}
}
private unsafe void ReloadListView()
{
ListViewGroup group = listView1.Groups[0];
int id = (int)typeof(ListViewGroup).GetProperty("ID", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(group);
IntPtr lParam = (IntPtr)id;
LVGF mask = 0;
mask |= LVGF.HEADER;
mask |= LVGF.SUBTITLE;
mask |= LVGF.FOOTER;
mask |= LVGF.ALIGN;
mask |= LVGF.DESCRIPTIONBOTTOM;
mask |= LVGF.DESCRIPTIONTOP;
mask |= LVGF.STATE;
mask |= LVGF.TASK;
mask |= LVGF.TITLEIMAGE;
mask |= LVGF.EXTENDEDIMAGE;
LVGS stateMask =
LVGS.COLLAPSED |
LVGS.COLLAPSIBLE |
LVGS.NOHEADER |
LVGS.SUBSETED |
0;
LVGS state = 0;
if (collapsibleCheckBox.Checked)
{
state |= LVGS.COLLAPSIBLE;
}
if (collapsedCheckBox.Checked)
{
state |= LVGS.COLLAPSED;
}
if (!showHeaderCheckBox.Checked)
{
state |= LVGS.NOHEADER;
}
if (subsetTitleCheckBox.Checked)
{
state |= LVGS.SUBSETED;
}
var lvgroup = new LVGROUPW
{
cbSize = (uint)sizeof(LVGROUPW),
mask = mask,
iGroupId = id,
stateMask = stateMask,
state = state,
iTitleImage = (int)titleImageIndexNumericUpDown.Value,
iExtendedImage = (int)extendedImageIndexNumericUpDown.Value,
};
switch (headerAlignmentComboBox.SelectedIndex)
{
case 0:
lvgroup.uAlign |= LVGA.HEADER_LEFT;
break;
case 1:
lvgroup.uAlign |= LVGA.HEADER_CENTER;
break;
case 2:
lvgroup.uAlign |= LVGA.HEADER_RIGHT;
break;
}
switch (footerAlignmentComboBox.SelectedIndex)
{
case 0:
lvgroup.uAlign |= LVGA.FOOTER_LEFT;
break;
case 1:
lvgroup.uAlign |= LVGA.FOOTER_CENTER;
break;
case 2:
lvgroup.uAlign |= LVGA.FOOTER_RIGHT;
break;
}
fixed(char *pHeader = headerTextBox.Text)
fixed(char *pFooter = footerTextBox.Text)
fixed(char *pDescriptionBottom = descriptionBottomTextBox.Text)
fixed(char *pDescriptionTop = descriptionTopTextBox.Text)
fixed(char *pSubsetTitle = subsetTitleTextBox.Text)
fixed(char *pSubtitle = subtitleTextBox.Text)
fixed(char *pTask = taskTextBox.Text)
{
if (footerCheckBox.Checked && footerTextBox.Text.Length > 0)
{
lvgroup.cchFooter = footerTextBox.Text.Length;
lvgroup.pszFooter = pFooter;
}
if (descriptionBottomCheckBox.Checked)
{
lvgroup.cchDescriptionBottom = (uint)descriptionBottomTextBox.Text.Length;
lvgroup.pszDescriptionBottom = pDescriptionBottom;
}
if (descriptionTopCheckBox.Checked)
{
lvgroup.cchDescriptionTop = (uint)descriptionTopTextBox.Text.Length;
lvgroup.pszDescriptionTop = pDescriptionTop;
}
if (subsetTitleCheckBox.Checked)
{
lvgroup.cchSubsetTitle = (uint)subsetTitleTextBox.Text.Length;
lvgroup.pszSubsetTitle = pSubsetTitle;
}
if (subtitleCheckBox.Checked)
{
lvgroup.cchSubsetTitle = (uint)subtitleTextBox.Text.Length;
lvgroup.pszSubtitle = pSubtitle;
}
if (taskCheckBox.Checked && taskTextBox.Text.Length > 0)
{
lvgroup.cchTask = (uint)taskTextBox.Text.Length;
lvgroup.pszTask = pTask;
}
lvgroup.pszHeader = pHeader;
IntPtr result = User32.SendMessageW(listView1.Handle, (User32.WindowMessage)LVM.SETGROUPINFO, lParam, ref lvgroup);
listView1.Invalidate(true);
}
}
