public static extern IntPtr SendMessage
(
IntPtr hwnd,
int wMsg,
int wParam,
ref LVCOLUMNW lParam
);
public static extern int InsertColumn
(
IntPtr hWnd,
int Msg,
int wParam,
ref LVCOLUMNW lParam
);
public unsafe Columns()
{
InitializeComponent();
char *pText = stackalloc char[256];
var column = new LVCOLUMNW
{
mask = (LVCF)uint.MaxValue,
cchTextMax = 256,
pszText = pText
};
IntPtr r = User32.SendMessageW(listView1.Handle, (User32.WindowMessage)LVM.GETCOLUMN, (IntPtr)0, ref column);
string s = new string(pText);
}
private unsafe void Reload()
{
LVCF mask =
LVCF.FMT |
LVCF.TEXT |
LVCF.IMAGE |
LVCF.WIDTH |
LVCF.MINWIDTH;
var column = new LVCOLUMNW
{
mask = mask,
cchTextMax = textTextBox.Text.Length,
iImage = (int)imageIndexNumericUpDown.Value,
cx = (int)widthNumericUpDown.Value,
cxMin = (int)minimumWidthNumericUpDown.Value,
};
if (fixedWidthCheckBox.Checked)
{
column.fmt |= LVCFMT.FIXED_WIDTH;
}
if (splitButtonCheckBox.Checked)
{
column.fmt |= LVCFMT.SPLITBUTTON;
}
switch (alignComboBox.SelectedIndex)
{
case 0:
column.fmt |= LVCFMT.LEFT;
break;
case 1:
column.fmt |= LVCFMT.CENTER;
break;
case 2:
column.fmt |= LVCFMT.RIGHT;
break;
}
fixed(char *pText = textTextBox.Text)
{
column.pszText = pText;
User32.SendMessageW(listView1.Handle, (User32.WindowMessage)LVM.SETCOLUMN, (IntPtr)1, ref column);
}
}
public static extern IntPtr SendMessage_LvColumn(IntPtr hWnd, int Msg, IntPtr nIndex, ref LVCOLUMNW pColumn);
