public static bool is_visible(this OLVColumn col) {
Debug.Assert(col.Tag != null);
bool is_line_col = col.fixed_index() == 0;
bool visible = is_line_col ? col.Width > 1 : col.IsVisible;
return visible;
}
public static int col_width(this OLVColumn col) {
Debug.Assert(col.Tag != null);
bool is_line_col = col.fixed_index() == 0;
if (is_line_col) {
if (col.is_visible())
return col.Width;
else
return col.lv_tag().line_width;
} else
return col.Width;
}
public static void col_width(this OLVColumn col, int width) {
Debug.Assert(col.Tag != null);
bool is_line_col = col.fixed_index() == 0;
bool show = col.is_visible();
if (is_line_col) {
if (show) {
col.MaximumWidth = -1;
col.Width = width;
} else {
col.lv_tag().line_width = width;
// ... don't allow resizing
col.MaximumWidth = col.Width = 1;
}
col.IsVisible = true;
} else {
col.Width = width;
col.IsVisible = show;
}
}
public static void is_visible(this OLVColumn col, bool show) {
Debug.Assert(col.Tag != null);
if (col.is_visible() == show)
return;
// 1.6.6 for Line column - we can't hide it (due to some weird b_ug in ListView); so we just set its width to 1
bool is_line_col = col.fixed_index() == 0;
if (is_line_col) {
// for line column - simple trick - save the old width in "Tag" property
if (show) {
col.MaximumWidth = -1;
col.Width = col.lv_tag().line_width > 0 ? col.lv_tag().line_width : 80;
} else {
col.lv_tag().line_width = col.Width;
col.MaximumWidth = col.Width = 1;
}
col.IsVisible = true;
} else
col.IsVisible = show;
}