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Add wxListCtrl::IsEmpty()

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Add a simple accessor for consistency with the other controls.
This commit is contained in:
Vadim Zeitlin
2019-10-08 01:20:44 +02:00
parent f95ce8d9d5
commit 654bfaea31
2 changed files with 13 additions and 0 deletions
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3
include/wx/listbase.h
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@@ -381,6 +381,9 @@ public:
// Return the current number of items. // Return the current number of items.
virtual int GetItemCount() const = 0; virtual int GetItemCount() const = 0;
// Check if the control is empty, i.e. doesn't contain any items.
bool IsEmpty() const { return GetItemCount() == 0; }
// Return the current number of columns. // Return the current number of columns.
virtual int GetColumnCount() const = 0; virtual int GetColumnCount() const = 0;

10
interface/wx/listctrl.h
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@@ -950,6 +950,16 @@ public:
long InsertItem(long index, const wxString& label, long InsertItem(long index, const wxString& label,
int imageIndex); int imageIndex);
/**
Returns true if the control doesn't currently contain any items.
Note that the control with some columns is still considered to be empty
if it has no rows.
@since 3.1.3
*/
bool IsEmpty() const;
/** /**
Returns true if the control is currently in virtual report view. Returns true if the control is currently in virtual report view.
*/ */